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WO2020124578A1 - Chaîne de production automatique et procédé de fabrication de rouleau laminaire - Google Patents

Chaîne de production automatique et procédé de fabrication de rouleau laminaire Download PDF

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Publication number
WO2020124578A1
WO2020124578A1 PCT/CN2018/122763 CN2018122763W WO2020124578A1 WO 2020124578 A1 WO2020124578 A1 WO 2020124578A1 CN 2018122763 W CN2018122763 W CN 2018122763W WO 2020124578 A1 WO2020124578 A1 WO 2020124578A1
Authority
WO
WIPO (PCT)
Prior art keywords
roller
laminar flow
tray
equipment
cladding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/122763
Other languages
English (en)
Chinese (zh)
Inventor
王硕煜
周永
商莹
胡雯雯
胡少华
郑志成
徐小龙
曹辉
陆志忠
解明祥
叶文虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Ma Steel Surface Technology Co Ltd
Original Assignee
Anhui Ma Steel Surface Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Ma Steel Surface Technology Co Ltd filed Critical Anhui Ma Steel Surface Technology Co Ltd
Priority to PCT/CN2018/122763 priority Critical patent/WO2020124578A1/fr
Publication of WO2020124578A1 publication Critical patent/WO2020124578A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations

Definitions

  • the invention relates to the technical field of production equipment for mechanical processing and surface technology, in particular to the manufacture of laminar flow rollers in a hot-rolled laminar flow cooling system.
  • Laminar flow rolls are located between finishing rolling and coiling in the hot rolling mill for conveying and laminar cooling of the finished strip.
  • the laminar flow roller must not only bear the impact and wear of the hot slab, but also withstand the alternating load (cold and hot fatigue) and local pressing load and contact sliding load under the action of cooling water spray.
  • the conventional preparation process of laminar flow rollers is turning before sandblasting-sandblasting-welding-remelting-finishing after welding.
  • turning before spray welding is mainly to process the laminar flow roller of the blank to the basic size; blasting is to use the impact of high-speed sand flow to clean and roughen the surface of the laminar flow roller, so that the mechanical properties of the workpiece surface are improved, so the workpiece is improved Fatigue resistance increases the adhesion between it and the coating, prolongs the durability of the coating film, and is also conducive to the leveling and decoration of the coating; spray welding is the reheating of the preheated self-dissolving alloy powder coating.
  • the particles are melted, the slag is floated up to the surface of the coating, the generated boride and silicide are dispersed in the coating, so that the particles and the surface of the substrate are well combined, and the final deposit is a dense metal crystalline structure and forms about 0.05 ⁇ with the substrate
  • the 0.1mm metallurgical bonding layer has good impact resistance, wear resistance, corrosion resistance, and a mirror appearance; the remelting and refining process refers to the process of metal purification and purification, including the adsorption and dissolution of inclusions in the laminar flow roller.
  • patent application 201310738506.8 discloses a spray welding coating process for hot-rolled laminar cooling rolls, which includes the following steps: 1) roll blanking and pre-spraying processing; 2) pre-heat treatment of the workpiece; 3) spraying Welding coating: adjust the speed of the roller to 15-20 rpm, turn on the spray gun after adjusting the position of the spray gun, adjust the amount of powder and flame, and at the same time advance the roller at a uniform speed, the speed is 280mm/min, so as to ensure the hardness of the spray gun Carbide is uniformly sprayed on the outer circumference of the roller; 4) The sprayed roller rotates at a temperature of 370°C to remelt the cemented carbide layer on it.
  • Cooling rollers spray-welded by this process and tooling have the functions of anti-wear, thermal barrier, anti-oxidation, anti-corrosion, anti-nodulation, anti-adhesion, etc., and have a very long service life beyond the market application roller table.
  • the preparation process still has deficiencies such as many procedures, large energy consumption, and high labor intensity of workers.
  • the purpose of the present invention is to provide an automatic production line for laminar flow roll manufacturing, which is used to increase the degree of automation of laminar flow roll manufacturing and reduce the labor intensity of workers.
  • the present invention proposes the following technical solutions:
  • An automatic production line for laminar flow roll manufacturing includes a truss, a manipulator, and processing equipment, where the processing equipment includes a first turning device, a laser high-speed cladding device, and a second turning device;
  • the first turning equipment, the laser high-speed cladding equipment and the second turning equipment are sequentially arranged in sequence and the machining center axes of the processing equipment are in the same vertical plane, and the above-mentioned vertical plane is defined as the first vertical plane;
  • the truss is close to the processing equipment and arranged along the arrangement direction of the processing equipment, an end of the truss near the first turning equipment is a feeding end, and an end of the truss near the second turning equipment is a discharging end; the feeding end There are roller racks at both the outlet and the discharge end;
  • the roller rack is provided with a tray running part for supporting a tray, the tray is used for accommodating a laminar flow roller, and the tray running part has the tray on the roller rack having an edge perpendicular to the first Freedom of movement in the vertical plane;
  • the manipulator is provided on the truss and has a degree of freedom to walk along the truss arrangement direction, and the manipulator is used to grab and place the laminar flow roller between the above processing equipment and the roller frame;
  • It also includes an automatic forklift for placing the tray containing the laminar flow roller to be processed on the empty roller frame near the feed end and removing the container from the roller frame near the discharge end There are pallets with processed laminar flow rollers.
  • the manipulator has freedom to move in the vertical direction on the truss, and the movement plane of the manipulator is the above-mentioned first vertical plane.
  • the processing equipment further includes a shaft head surfacing welding device, the shaft head surfacing welding device is disposed between the first turning device and the laser high-speed cladding equipment, and the processing of the shaft head surfacing welding device
  • the central axis falls within the above-mentioned first vertical plane.
  • a roller stand is provided between each processing equipment.
  • the tray is provided with a plurality of parallel placing racks for placing laminar flow rollers, and the tray is parallel to the first vertical on the roller rack according to the axial direction of the laminar flow rollers The direction of the surface is arranged; and as the tray moves on the roller rack, the placement racks on the tray all pass through the first vertical surface at least once.
  • the central axis of the laminar roller on one of the pallets on the pallet falls on the first In the vertical plane.
  • the automatic forklift moves the pallet on the roller frame after the processed laminar roller is filled on the roller frame on the side of the discharge end.
  • the roller frame between the processing equipment, wherein the central axis is located on the placing frame in the first vertical plane remains empty.
  • the present invention also discloses an automatic production process for laminar flow roll manufacturing, which can improve the quality of the laminar flow roll.
  • This production process uses the above-mentioned production line to automate the production of laminar flow rollers as follows:
  • Step 1 Use an automatic forklift to transport the tray filled with laminar flow rollers to the feed end and place it on the roller rack at the feed end, while ensuring that the tray on the roller rack at the discharge end is located to further accommodate the laminar roller status;
  • Step 2 The manipulator grabs a laminar flow roller to be processed from the tray of the roller rack at the feed end and transports it to the first turning equipment for lamination before cladding;
  • Step 3 The manipulator grabs the laminar flow roller that was turned before cladding and transports it to the laser high-speed cladding equipment for laser high-speed cladding;
  • Step 4 The manipulator grabs the laminar flow roller completed by high-speed laser cladding and transports it to the second turning equipment for finishing after cladding;
  • Step 5 The manipulator grabs the laminar flow roller after laser cladding and finishes it, and places it on the roller frame on the side of the discharge end;
  • Step 6 After the roller frame on the side of the discharge end is filled with laminar flow rollers, the automatic forklift removes the tray on the roller frame;
  • the tray on each roller rack moves in a direction perpendicular to the first vertical plane.
  • the manipulator grabs the laminar roller that was turned before cladding and transports it to the shaft head welding equipment for shaft head welding; then, The manipulator grabs the laminar flow roller that has been welded by the shaft head and transports it to the laser high-speed cladding equipment for laser high-speed cladding.
  • the manipulator grabs the laminar roller that has completed the previous processing procedure from the processing equipment before the current processing equipment and transports it to the current processing equipment for processing.
  • the robot picks up the laminar roller processed by the current processing equipment and places it on the roller frame immediately behind; when it is located behind the roller frame
  • the manipulator grabs the laminar roller that has completed the previous processing procedure from the roller frame and juxtaposes the processing device after the roller frame for processing.
  • the iron-based powder with a heat-resistant and wear-resistant particle size within 80um is used as the cladding material
  • the laser power is set at 2200W-2600W
  • the cladding thickness is set at 5mm- 8mm
  • the cladding speed is 10mm/s-12mm/s.
  • the technical solution of the present invention provides an automated production line and production process for laminar flow roll manufacturing, which can improve the degree of automation of laminar flow roll manufacturing, realize intelligent manufacturing, and have higher production efficiency; the production line is suitable for new The manufacture of the roller and the repair of the old roller make the processing adaptability wide; and improve the processing technology of the laminar flow roller, so that the finished product has high precision, the surface coating thickness is thin and durable, and the quality is better.
  • FIG. 1 is a schematic diagram of an automatic production line for laminar flow roll manufacturing according to the present invention
  • FIG. 2 is a schematic structural diagram of a laminar flow roller frame of the present invention.
  • Figure 3 is a left side view of Figure 2;
  • Figure 4 is a top view of Figure 2;
  • laser high-speed cladding technology is introduced in the specific embodiment of the present invention to replace the traditional spray welding technology, which will manufacture and remanufacture
  • the process is changed to turning before cladding (belonging to pre-processing)-surfacing welding of shaft head (remanufacturing required)-laser high-speed cladding-finishing after cladding, and using truss 1, robot 8, automatic forklift, roller frame 3 and other layers Flow roller material transportation and automatic processing.
  • an automated production line for laminar flow roll manufacturing includes a truss 1, a manipulator 8 and processing equipment.
  • the processing equipment includes a first turning device 2, a laser high-speed cladding device 6 and a second turning Device 7.
  • the first turning equipment 2, the laser high-speed cladding equipment 6 and the second turning equipment 7 are arranged in this order and the machining center axis of each processing equipment is in the same vertical plane, and the above-mentioned vertical plane is defined as the first vertical plane.
  • the first turning equipment 2 uses a lathe for roughing laminar flow rolls before cladding.
  • the second turning equipment 7 selects a turning machining center for finishing laminar flow rollers after cladding, which not only can complete turning of the shaft head and the roller surface, but also can process key grooves and threaded holes at the shaft ends.
  • the laser high-speed cladding device 6 includes a numerically controlled turntable for placing and driving the laminar flow roller to rotate, a laser generator, a powder feeder, and a cladding robot for strengthening the surface of the laminar flow roller.
  • the truss 1 is close to the processing equipment and arranged along the arrangement direction of the processing equipment.
  • the end of the truss 1 near the first turning equipment 2 is a feed end, and the end of the truss 1 near the second turning equipment 7 is a discharge end.
  • a roller frame 3 is provided at both the feeding end and the discharging end.
  • the roller rack 3 is provided with a pallet running part for supporting a pallet 3-3, the pallet 3-3 is used for accommodating a laminar flow roller, and the pallet running part has a pallet 3-3
  • the roller holder 3 has a degree of freedom to move perpendicular to the first vertical plane.
  • the manipulator 8 is provided on the truss 1 and has a degree of freedom to walk along the direction in which the truss 1 is arranged.
  • the manipulator 8 is used to grab and place laminar flow rollers between the above processing equipment and the roller frame 3.
  • a jaw opening and closing device, a jaw spacing adjustment device, a jaw base rotating device, etc. may be provided on the manipulator 8, and technicians can make corresponding designs as needed. The details here are not The points to be emphasized in the present invention will not be repeated here.
  • It also includes an automatic forklift for placing the tray 3-3 containing the laminar flow roll to be processed on the empty roll stand 3 on the side near the feed end and the roll stand on the side near the discharge end 3 Remove the tray 3-3 containing the processed laminar roller.
  • Step 1 Use an automatic forklift to transport the tray 3-3 filled with laminar rollers to be processed to the feed end and place it on the roll rack 3 at the feed end, while ensuring the tray 3-3 on the roll rack 3 at the discharge end It is in a state where the laminar flow roller is further accommodated.
  • Step 2 The manipulator 8 grabs a laminar roller to be processed from the tray 3-3 of the roller frame 3 at the feed end and transports it to the first turning device 2 for lamination before cladding.
  • Step 3 The manipulator 8 grabs the laminar flow roller that was turned before cladding and transports it to the laser high-speed cladding device 6 for laser high-speed cladding.
  • Step 4 The manipulator 8 grabs the laminar flow roller completed by high-speed laser cladding and transports it to the second turning device 7 for cladding finishing.
  • Step 5 The manipulator 8 grabs the laminar flow roller that has been finished after laser cladding and places it on the roller frame 3 on the side of the discharge end.
  • Step 6 After the roller frame 3 on the side of the discharge end is filled with laminar flow rollers, the automatic forklift removes the tray 3-3 on the roller frame 3.
  • the manipulator 8 has a degree of freedom to move in the vertical direction on the truss 1, and the movement plane of the manipulator 8 is the above-mentioned first vertical plane.
  • the manipulator 8 moves along the truss 1 to the response position, and then moves up and down in the vertical direction to complete the grasping and placing action.
  • the processing equipment further includes a shaft head surfacing welding device 4 for repairing the old rollers.
  • the shaft head surfacing welding device 4 generally includes a CNC roller frame for placing and driving the rotation of the laminar flow roller.
  • the mobile arc welding robot 5 for the surfacing shaft head and the dust removal device will not be repeated here.
  • the shaft head welding equipment 4 is disposed between the first turning equipment 2 and the laser high-speed cladding equipment 6, and the machining center axis of the shaft head welding equipment 4 Falls within the aforementioned first vertical plane.
  • a roller stand 3 is provided between the processing equipment.
  • the roller frame 3 between the processing equipment can be used for the transitional placement of the laminar flow roller processed in the previous process, so as to prevent the latter process from being idle and unable to accept the laminar flow roller transferred from the previous process.
  • the roller holder 3 can also temporarily store the laminar rollers located on the processing equipment production line when certain processing equipment fails.
  • the tray 3-3 is provided with a plurality of parallel placing racks for placing laminar flow rollers, and the tray 3-3 is arranged on the roller frame 3 according to the laminar flow rollers.
  • the axial direction is arranged parallel to the direction of the first vertical plane.
  • the placing racks on the tray 3-3 pass through the first vertical plane at least once, so that all the laminar rollers on the tray 3-3 can be
  • the robot 8 grabs and places.
  • the specific pallet 3-3 movement speed needs to be adjusted according to the processing speed of different processing equipment, so that the pallet 3-3, the manipulator 8, and the processing equipment form a coordinated and efficient state.
  • the automatic forklift places the tray 3-3 on the empty roller rack 3 near the feed end, the laminar flow on one of the racks on the tray 3-3
  • the central axis of the roller falls in the first vertical plane.
  • the implementation of the above solution depends on the positioning system. For example, the empty roller frame 3 on the feed end side and the forklift of the equipment positioning system on the automatic forklift, respectively, through the cooperative positioning between the launcher and the receiver, the automatic The forklift is uniquely positioned every time the tray is placed 3-3.
  • the automatic forklift moves the tray 3-3 on the roller frame 3 in response to the roller frame 3 on the side of the discharge end being filled with the processed laminar rollers.
  • the roller frame 3 when the roller frame 3 needs to be used at a certain time on the roller frame 3 between the processing equipment, there is a space on the roller frame 3 for the laminar flow roller, and it is necessary to ensure the corresponding time
  • the placing frame on the roller frame 3 whose central axis is located in the first vertical plane remains empty. Specifically, after the production line is operated, the corresponding moving speed of the tray 3-3 is set according to the actual situation.
  • the roller frame 3 includes a rail 2-1, a gear 3-6 rack 3-4 mechanism, a motor 3-5, and a motor 3-5 mount And the tray mounting bracket 3-2.
  • the rail 2-1 is arranged in a direction perpendicular to the first vertical plane.
  • the racks 3-4 of the racks 3-4 of the gears 3-6 are arranged parallel to the track 2-1.
  • the motor 3-5 is fixed on the motor 3-5 mounting base, and the output shaft of the motor 3-5 is provided with a gear 3-6 and a gear 3-6 in a rack 3-4 mechanism.
  • the tray mounting bracket 3-3 is fixedly connected to the motor 3-5 mounting seat, and a pulley 3-8 is provided below the tray mounting bracket 3-3, and the pulley 3-8 is adapted to the rail 2-1.
  • the motor 3-5 shown drives the gear 3-6 to rotate, so that the motor 3-5 itself, the motor 3-5 mounting base, and the tray mounting bracket 3-3 slide along the rail 2-1.
  • a drive shaft 3-7 is provided under the tray mounting frame 3-3, and is fixedly connected to the motor 3-5 mounting seat through the drive shaft 3-7, and the pulley 3-8 is provided with the drive shaft 3- 7
  • the track 2-1 is provided with a guide wheel 3-9, and the pulley 3-8 is caught in the middle of the guide wheel 3-9 of the corresponding track 2-1, in accordance with the direction of the track 2-1 movement.
  • the trays 3-3 on the roller frames 3 move in a direction perpendicular to the first vertical plane.
  • the robot 8 grabs the laminar roller that has been turned before cladding and transports it to the shaft head welding equipment 4 for Shaft head surfacing. Next, the manipulator 8 grabs the laminar flow roller with the shaft head surfacing welded and transports it to the laser high-speed cladding device 6 for laser high-speed cladding.
  • the robot 8 grabs the laminar roller that has completed the previous processing procedure from the processing equipment before the current processing equipment and transports it to The current processing equipment is being processed.
  • the robot 8 grabs and places the laminar roller processed by the current processing equipment and places it on the roller frame 3 immediately behind on.
  • the manipulator 8 grabs the laminar roller that has completed the previous processing procedure from the roller frame 3 and juxtaposes the processing equipment after the roller frame 3 for processing .
  • the laser-based high-speed cladding uses heat-resistant and wear-resistant iron-based powder with a particle size of less than 80 mm as the cladding material, such as the brand produced by Hagnas.
  • the iron-based powder of IC-RC-31, and the laser power is set at 2200W-2600W
  • the cladding thickness is set at 5mm-8mm
  • the cladding speed is 10mm/s-12mm/s.
  • the production line and process production it can improve the degree of automation of laminar flow roll production, realize intelligent manufacturing, and have higher production efficiency; the production line is suitable for the manufacture of new rolls and the repair of old rolls, making the processing adaptability wide; and improved The processing technology of the laminar flow roller makes the finished product with high precision, thin and durable surface coating, and better quality.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laser Beam Processing (AREA)

Abstract

La présente invention concerne une chaîne de production automatique et un procédé de fabrication de rouleau laminaire, comprenant un dispositif de soudage par rechargement de nez de broche (4) pour réparer un rouleau laminaire, un dispositif de placage laser à grande vitesse (6) pour le renforcement de surface du rouleau laminaire, des dispositifs de retournement (2, 7) pour traiter le rouleau laminaire, une main mécanique (8) se coordonnant avec lesdits dispositifs pour l'alimentation et la décharge, une palette (3-3) pour placer et transférer le rouleau laminaire, et un chariot élévateur à fourche automatique. En utilisant ladite structure, un soudage par rechargement de nez de broche, un renforcement de surface et un traitement de coupe sont intégrés ; en outre, le processus technologique est amélioré, la production intelligente dans la fabrication et la refabrication de rouleaux laminaires est assurée, l'efficacité de production est élevée, la qualité du produit est stable, et une opération continue peut être obtenue.
PCT/CN2018/122763 2018-12-21 2018-12-21 Chaîne de production automatique et procédé de fabrication de rouleau laminaire Ceased WO2020124578A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/122763 WO2020124578A1 (fr) 2018-12-21 2018-12-21 Chaîne de production automatique et procédé de fabrication de rouleau laminaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/122763 WO2020124578A1 (fr) 2018-12-21 2018-12-21 Chaîne de production automatique et procédé de fabrication de rouleau laminaire

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WO2020124578A1 true WO2020124578A1 (fr) 2020-06-25

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PCT/CN2018/122763 Ceased WO2020124578A1 (fr) 2018-12-21 2018-12-21 Chaîne de production automatique et procédé de fabrication de rouleau laminaire

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114102155A (zh) * 2021-11-16 2022-03-01 安徽富煌钢构股份有限公司 一种钢结构的智能制造系统
CN114774908A (zh) * 2022-03-09 2022-07-22 山东能源重装集团大族再制造有限公司 一种高速熔覆系统

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CN106141827A (zh) * 2016-08-30 2016-11-23 中冶南方工程技术有限公司 轧辊自动磨削系统
CN106392639A (zh) * 2016-08-25 2017-02-15 中山汉通激光设备有限公司 一种激光复合加工磨床
US20180009054A1 (en) * 2016-07-08 2018-01-11 Norsk Titanium As Metal wire feeding system

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CN103255412A (zh) * 2012-02-17 2013-08-21 沈阳新松机器人自动化股份有限公司 一种用于轧辊工作面的激光熔覆高硬度材料的工艺方法
CN203021651U (zh) * 2013-01-08 2013-06-26 太原重工工程技术有限公司 无缝钢管芯棒表面强化装置
CN105983837A (zh) * 2015-03-02 2016-10-05 东台精机股份有限公司 复合式计算机数值控制加工机及其加工方法
US20180009054A1 (en) * 2016-07-08 2018-01-11 Norsk Titanium As Metal wire feeding system
CN106392639A (zh) * 2016-08-25 2017-02-15 中山汉通激光设备有限公司 一种激光复合加工磨床
CN106141827A (zh) * 2016-08-30 2016-11-23 中冶南方工程技术有限公司 轧辊自动磨削系统

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114102155A (zh) * 2021-11-16 2022-03-01 安徽富煌钢构股份有限公司 一种钢结构的智能制造系统
CN114774908A (zh) * 2022-03-09 2022-07-22 山东能源重装集团大族再制造有限公司 一种高速熔覆系统
CN114774908B (zh) * 2022-03-09 2024-03-08 山东能源重装集团大族再制造有限公司 一种高速熔覆系统

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